New burst coherent demodulator for microcellular TDMA/TDD systems

Yoichi Matsumoto, Shuji Kubota, Shuzo Kato

研究成果: Article

8 引用 (Scopus)

抄録

This paper proposes a new burst coherent demodulator that improves transmission quality of microcellular TDMA/TDD systems for personal communications and has configuration suitable for low power consumption with LSIC-implementation. To achieve the better transmission quality, the proposed demodulator employs coherent detection with a unique carrier recovery scheme that can operate without any preamble for carrier recovery. In addition, the demodulator uses a clock recovery scheme with clock phase estimation using twice differentiation, which eliminates hangup and attains fast clock acquisition at 2 samples/symbol. Experimental results clarify the superiority of the proposed coherent demodulator for microcellular TDMA/TDD systems. The proposed coherent demodulator reduces the irreducible frame error rate by 40%, and achieves 4 dB improvement at the frame error rate of 10% compared with differential detection under the Rayleigh fading (fD/fs = 8×10-5, τrms/Ts = 5×10-2) typical of personal communication environments.

元の言語English
ページ(範囲)927-933
ページ数7
ジャーナルIEICE Transactions on Communications
E77-B
発行部数7
出版物ステータスPublished - 1994 7
外部発表Yes

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Demodulators
Time division multiple access
Cellular telephone systems
Clocks
Recovery
Rayleigh fading
Electric power utilization

ASJC Scopus subject areas

  • Computer Networks and Communications
  • Electrical and Electronic Engineering

これを引用

New burst coherent demodulator for microcellular TDMA/TDD systems. / Matsumoto, Yoichi; Kubota, Shuji; Kato, Shuzo.

:: IEICE Transactions on Communications, 巻 E77-B, 番号 7, 07.1994, p. 927-933.

研究成果: Article

Matsumoto, Yoichi ; Kubota, Shuji ; Kato, Shuzo. / New burst coherent demodulator for microcellular TDMA/TDD systems. :: IEICE Transactions on Communications. 1994 ; 巻 E77-B, 番号 7. pp. 927-933.
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